The Patiala Ki Rao is a seasonal stream that originates in Shivalik Hills,

Punjab Punjab (; Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the Indian subcontinent, comprising ...

, enters

Chandigarh Chandigarh () is a planned city in India. Chandigarh is bordered by the state of Punjab to the west and the south, and by the state of Haryana to the east. It constitutes the bulk of the Chandigarh Capital Region or Greater Chandigarh, which al ...

then to

Mohali Mohali, officially known as Sahibzada Ajit Singh Nagar, is a planned city in the Mohali district in Punjab (India), Punjab, India, which is an administrative and a commercial hub lying south-west of Chandigarh. It is the headquarters of the Moh ...

and later merges into the

Ghaggar The Ghaggar-Hakra River is an intermittent river in India and Pakistan that flows only during the monsoon season. The river is known as Ghaggar in India, before the Ottu barrage, and as the Hakra in Pakistan, downstream of the barrage, ending ...

River. The stream runs across

Fateh Burj The Fateh Burj ( en, The Victory Tower; pa, ਫਤਿਹ ਬੁਰਜ), the tallest minar in India, is situated in the historical village of Chappar Chiri in the SAS Nagar district (Mohali district) of Punjab state. It was completed in 1890. ...

at Chappar Chiri. It is one of the seasonal rivulets amongst others in Chandigarh, which include Sukhna Choe in the East and

N Choe The N-Choe is a seasonal stream (the word "choe" means stream in Punjabi) that originates in Chandigarh, India and runs across the Leisure Valley to Kajheri, Mohali (now known as Sahibzada Ajit Singh Nagar) Punjab, India, and later merges into th ...

in the West.

Pollution

UT panel raises Patiala Ki Rao pollution with Punjab due to a significant increase in Nayagaon's population. On 31 July 2010, Punjab Pollution Control Board reported that effluents discharged in N-Choe from Chandigarh were beyond the permissible limit. The analysis revealed that pollution levels such as BOD-150 mg/1 and COD 320 mg/1 was found to be more than the permissible limit of 30 mg/1 and 250 mg/1, respectively. Mohali residents complained that the N-choe was not properly protected and that

sewage Sewage (or domestic sewage, domestic wastewater, municipal wastewater) is a type of wastewater that is produced by a community of people. It is typically transported through a sewer system. Sewage consists of wastewater discharged from residenc ...

was found in the water.Untreated sewage being discharged in N-choe, admits GMADA in RTI reply
Retrieved Indian Express, 05/2010

References

Mohali Landforms of Chandigarh Rivers of Himachal Pradesh {{India-river-stub